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CISS.debian.installer/lib/0102_arg_parser.sh
Marc S. Weidner 9be2bc1083
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V8.00.000.2025.06.17
Signed-off-by: Marc S. Weidner <msw@coresecret.dev>
2025-07-27 17:07:27 +02:00

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#!/bin/bash
# SPDX-Version: 3.0
# SPDX-CreationInfo: 2025-06-17; WEIDNER, Marc S.; <msw@coresecret.dev>
# SPDX-ExternalRef: GIT https://git.coresecret.dev/msw/CISS.debian.installer.git
# SPDX-FileContributor: WEIDNER, Marc S.; Centurion Intelligence Consulting Agency
# SPDX-FileCopyrightText: 2024-2025; WEIDNER, Marc S.; <msw@coresecret.dev>
# SPDX-FileType: SOURCE
# SPDX-License-Identifier: EUPL-1.2 OR LicenseRef-CCLA-1.0
# SPDX-LicenseComment: This file is part of the CISS.debian.installer.secure framework.
# SPDX-PackageName: CISS.debian.installer
# SPDX-Security-Contact: security@coresecret.eu
guard_sourcing
#######################################
# Argument Parser
# Globals:
# VAR_DEFAULT_LOG_LEVEL
# VAR_AUTO_INSTALL
# VAR_IN_DIALOG_WR
# VAR_PRIORITY
# VAR_REIONICE_CLASS
# VAR_REIONICE_PRIORITY
# Arguments:
# None
#######################################
arg_parser() {
while [[ $# -gt 0 ]]; do
declare argument="${1}"
case "${argument,,}" in
-a | --autoinstall)
if [[ -n "${2}" && "${2}" != -* ]]; then arg_mismatch "--autoinstall MUST NOT be followed by an argument."; fi
shift 1
;;
-c | --contact)
if [[ -n "${2}" && "${2}" != -* ]]; then arg_mismatch "--contact MUST NOT be followed by an argument."; fi
shift 1
;;
-d | --debug)
shift 1
while [[ $# -gt 0 && ! "$1" =~ ^- ]]; do
shift 1
done
;;
-h | --help)
if [[ -n "${2}" && "${2}" != -* ]]; then arg_mismatch "--help MUST NOT be followed by an argument."; fi
shift 1
;;
-l | --log)
case "${2,,}" in
debug|info|notice|warn|error|critical|fatal|emergency) declare -gx VAR_DEFAULT_LOG_LEVEL="$2"; shift 2 ;;
*)
if [[ "${VAR_AUTO_INSTALL}" == "false" && "${VAR_IN_DIALOG_WR}" == true ]]; then dialog_box_cleaner; fi
usage
;;
esac
;;
-v | --version)
if [[ -n "${2}" && "${2}" != -* ]]; then arg_mismatch "--version MUST NOT be followed by an argument."; fi
shift 1
;;
--renice-priority)
if [[ -n ${2} && ${2} =~ ^-?[0-9]+$ && ${2} -ge -19 && ${2} -le 19 ]]; then
VAR_PRIORITY="${2}"
shift 2
else
arg_mismatch "--renice-priority MUST be an integer between '-19' and '19'."
fi
;;
--reionice-priority)
if [[ -z "${2}" ]]; then
arg_mismatch "--reionice-priority no values provided."
else
if [[ "${2}" =~ ^[1-3]$ ]]; then
VAR_REIONICE_CLASS="${2}"
if [[ -z "${3}" ]]; then
:
else
if [[ "${3}" =~ ^[0-7]$ ]]; then
VAR_REIONICE_PRIORITY="${3}"
else
arg_mismatch "--reionice-priority PRIORITY MUST be an integer between '0' and '7'."
fi
fi
else
arg_mismatch "--reionice-priority CLASS MUST be an integer between '1' and '3'."
fi
fi
if [[ -n ${VAR_REIONICE_PRIORITY} ]]; then
shift 3
else
shift 2
fi
;;
*)
if [[ "${VAR_AUTO_INSTALL}" == "false" && "${VAR_IN_DIALOG_WR}" == "box" ]]; then
dialog_box_cleaner
elif [[ "${VAR_AUTO_INSTALL}" == "false" && "${VAR_IN_DIALOG_WR}" == "gauge" ]]; then
dialog_gauge_cleaner
fi
usage
;;
esac
done
}
# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh